Description
Technical Manual TM 9-1220-220-34 for M10, M10A4, and M10B1 Drive Ballistics, January 1963
This Technical Manual TM 9-1220-220-34 covers the M10, M10A4, and M10B1 Drive Ballistics and is dated January 1963.
The publication provides higher-level maintenance information for these mechanical components of U.S. tank fire-control systems. The M10 was also identified by its developmental designation, T24E3.
Historical Significance
The M10-series Drive Ballistics were part of the mechanical fire-control equipment used in Cold War-era U.S. tanks. The drive acted as a differential mechanism that transmitted superelevation data from the ballistic computer to the associated sighting equipment.
This allowed the rangefinder and gunner’s sighting system to incorporate the vertical aiming correction calculated for the selected ammunition and target range. The M10, M10A4, and M10B1 represent related configurations developed for different fire-control installations.
What This Manual Covers
This -34 maintenance manual provides technical guidance for maintaining the M10, M10A4, and M10B1 Drive Ballistics beyond the operator and organizational levels.
Its maintenance scope includes subjects such as:
- Equipment description and operating principles
- Inspection and troubleshooting
- Removal and installation
- Disassembly and reassembly
- Cleaning and component maintenance
- Adjustment and alignment
- Performance testing and final inspection
- Specialized maintenance tools and equipment
The publication addresses the Drive Ballistics and its related mechanical connections within the tank fire-control system. Unlike a -35P repair-parts publication, this manual centers on maintenance procedures and technical servicing.
Key Features
- Official publication number: TM 9-1220-220-34
- Publication date: January 1963
- Equipment covered: M10, M10A4, and M10B1 Drive Ballistics
- Additional M10 designation: T24E3
- Publication type: higher-level maintenance manual
- System application: U.S. tank fire-control equipment
- Equipment function: transmitting ballistic-computer superelevation data to the sighting system
Why This Manual Matters
TM 9-1220-220-34 documents the specialized maintenance required to support an important mechanical link in the tank fire-control system. It explains how the Drive Ballistics was serviced and maintained so that calculated superelevation information could be transferred accurately to the sighting equipment.
The manual also preserves the Army’s original technical terminology, maintenance practices, and equipment configuration information for the M10, M10A4, and M10B1 models.
About This Manual
Published by the Department of the Army in January 1963, TM 9-1220-220-34 is a maintenance publication for the M10, M10A4, and M10B1 Drive Ballistics.
This January 1963 edition documents an earlier configuration of the M10-series equipment and predates the expanded replacement edition issued in 1985.
Ideal For
This manual is a strong fit for:
- U.S. Army technical-manual collectors
- Tank fire-control equipment researchers
- M10-series Ballistics Drive restoration projects
- Military museums and reference libraries
- Armored-vehicle historians
- Collectors of mechanical fire-control equipment documentation
Approx length 8", Approx width 10", Approx height .25", Approx weight 1lbs.
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